Home / 1,685,820.95-2,326,707.64-1,253,111.72

Finding the Fourth Proportional to 1,685,820.95, 2,326,707.64 and 1,253,111.72

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Solution

The fourth proportional to 1,685,820.95, 2,326,707.64 and 1,253,111.72 is: 1,729,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,820.95 : 2,326,707.64 = 1,253,111.72 : x
  2. Step 2: Convert to fraction form
    1,685,820.95/2,326,707.64 = 1,253,111.72/x
  3. Step 3: Cross multiply
    1,685,820.95x = 2,326,707.64 × 1,253,111.72
  4. Step 4: Simplify right side
    1,685,820.95x = 2,915,624,601,064.00
  5. Step 5: Solve for x
    x = 2,915,624,601,064.00/1,685,820.95
  6. Step 6: Final answer
    x = 1,729,498.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.